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docs/ai/DataPRO/Modules/SystemSettings/ISOSettings/Model.md

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+---
+source_files:
+  - DataPRO/Modules/SystemSettings/ISOSettings/Model/Enums.cs
+  - DataPRO/Modules/SystemSettings/ISOSettings/Model/ISOSettingsModel.cs
+generated_at: "2026-04-17T15:57:55.902760+00:00"
+model: "zai-org/GLM-5-FP8"
+schema_version: 1
+sha256: "35e21e8080149c8b"
+---
+
+# ISOSettings Module Documentation
+
+## 1. Purpose
+
+The ISOSettings module manages configuration related to ISO (International Organization for Standardization) code support within the DataPRO system. It provides a model layer for persisting and retrieving ISO-related settings—such as display modes, validation rules, and support levels—via a database-backed settings store. The module also orchestrates side effects when critical validation settings change, triggering re-evaluation of test completeness across the system.
+
+---
+
+## 2. Public Interface
+
+### Enum: `Keys`
+**Namespace:** `ISOSettings`
+
+Defines setting keys used for database storage lookup.
+
+| Member | Description (inferred from usage) |
+|--------|-----------------------------------|
+| `ISOSupportAllowTransitional` | Key for transitional ISO support setting |
+| `ISOSupport_Allow_NonISO` | Key for allowing non-ISO codes |
+| `ShowISOCodes` | Key for ISO code visibility |
+| `ShowUserCodes` | Key for user code visibility |
+| `UseUserCodes` | Key for user code usage |
+| `IsoSupportLevel` | Key for ISO support level |
+| `UniqueISOCodesRequired` | Key for unique ISO code requirement |
+| `ShowISOStringBuilder` | Key for ISO string builder visibility |
+| `ShowChannelCodeLookupHelper` | Key for channel code lookup helper visibility |
+| `UseISOCodeFilterMapping` | Key for ISO code filter mapping usage |
+| `ValidateTestPositionAndTestObject` | Key for test object/position validation |
+
+---
+
+### Class: `ISOSettingsModel`
+**Namespace:** `ISOSettings.Model`  
+**Implements:** `IISOSettingsModel`
+
+#### Constructor
+```csharp
+public ISOSettingsModel(IEventAggregator eventAggregator)
+```
+Initializes the model with an event aggregator for publishing notifications.
+
+#### Methods
+
+```csharp
+public IISOSettingsData LoadData()
+```
+Returns a new `ISOSettingsData` instance populated with current settings values.
+
+```csharp
+public void SaveData(IISOSettingsData data)
+```
+Persists settings from the provided `ISOSettingsData` instance. If `UniqueISOCodesRequired` or `ValidateTestObjectAndPosition` values change, triggers `MarkAllTestsDirty()`. Sets `IsSaved` to `true` on success; publishes a `RaiseNotification` event on exception.
+
+```csharp
+public void OnPropertyChanged(string propertyName)
+```
+**Note:** Empty implementation—does not raise `PropertyChanged` event.
+
+#### Properties
+
+| Property | Type | Default |